1 files changed, 11 insertions, 6 deletions
diff --git a/packages/website/ts/components/onboarding/portal_onboarding_flow.tsx b/packages/website/ts/components/onboarding/portal_onboarding_flow.tsx
index 6486bafcb..1850a0966 100644
--- a/packages/website/ts/components/onboarding/portal_onboarding_flow.tsx
+++ b/packages/website/ts/components/onboarding/portal_onboarding_flow.tsx
@@ -186,9 +186,11 @@ class PlainPortalOnboardingFlow extends React.Component<PortalOnboardingFlowProp
         const ethToken = utils.getEthToken(this.props.tokenByAddress);
         const zrxToken = utils.getZrxToken(this.props.tokenByAddress);
         if (ethToken && zrxToken) {
-            const ethTokenAllowance = this.props.trackedTokenStateByAddress[ethToken.address].allowance;
-            const zrxTokenAllowance = this.props.trackedTokenStateByAddress[zrxToken.address].allowance;
-            return ethTokenAllowance > new BigNumber(0) && zrxTokenAllowance > new BigNumber(0);
+            const ethTokenState = this.props.trackedTokenStateByAddress[ethToken.address];
+            const zrxTokenState = this.props.trackedTokenStateByAddress[zrxToken.address];
+            if (ethTokenState && zrxTokenState) {
+                return ethTokenState.allowance.gt(0) && zrxTokenState.allowance.gt(0);
+            }
         }
         return false;
     }
@@ -251,12 +253,15 @@ class PlainPortalOnboardingFlow extends React.Component<PortalOnboardingFlowProp
         if (!token) {
             return null;
         }
-        const tokenState = this.props.trackedTokenStateByAddress[token.address];
+        const tokenStateIfExists = this.props.trackedTokenStateByAddress[token.address];
+        if (_.isUndefined(tokenStateIfExists)) {
+            return null;
+        }
         return (
             <AllowanceToggle
                 token={token}
-                tokenState={tokenState}
-                isDisabled={!tokenState.isLoaded}
+                tokenState={tokenStateIfExists}
+                isDisabled={!tokenStateIfExists.isLoaded}
                 blockchain={this.props.blockchain}
                 // tslint:disable-next-line:jsx-no-lambda
                 refetchTokenStateAsync={async () => this.props.refetchTokenStateAsync(token.address)}